1912520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 4347000

約数和(自身を除く): 2434480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 349, 548, 685, 698, 1096, 1370, 1396, 1745, 2740, 2792, 3490, 5480, 6980, 13960, 47813, 95626, 191252, 239065, 382504, 478130, 956260, 1912520]

約数ペア:

[(1, 1912520), (2, 956260), (4, 478130), (5, 382504), (8, 239065), (10, 191252), (20, 95626), (40, 47813), (137, 13960), (274, 6980), (349, 5480), (548, 3490), (685, 2792), (698, 2740), (1096, 1745), (1370, 1396)]